Attachment 19293 Details for Bug 12133 – Test code for signal handling bug

Test code for signal handling bug

lame_signal_handling.c (text/x-csrc), 1001 bytes, created by Bart Massey on 2008-09-29 16:22:42 UTC

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Creator: Bart Massey

Created: 2008-09-29 16:22:42 UTC

Size: 1001 bytes

patch

obsolete

>#include <stdio.h>
>#include <signal.h>
>#include <X11/X.h>
>#include <X11/Xlib.h>
>
>Display *dpy;
>
>void interrupted(int signum)
>{
>    /*
>     * Shut down "gracefully". Of course, calling library functions in a
>     * signal handler isn't supposed to work to work per ANSI C, so this
>     * is the opposite of graceful, but it did work in old Xlib for some
>     * reason.
>     */
>    printf("got signal\n");
>    fflush(stdout);
>    XCloseDisplay(dpy);
>}
>
>int main(int argc, char **argv)
>{
>    XEvent ev;
>
>    dpy = XOpenDisplay(NULL);
>    signal(SIGINT, interrupted);
>
>    /*
>     * We didn't actually select for anything, so this is useless, but
>     * a a real blocking-event-loop program will block in XNextEvent in
>     * the same manner. We just need to simulate that to encounter the
>     * bug. Does the same thing if you actually create a window and all
>     * that jazz.
>     */
>    while (XNextEvent(dpy, &ev) == Success) {
>        printf("got event\n");
>	fflush(stdout);
>    }
>
>    return 0;
>}

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Attachments on bug 12133: 19289 | 19293 | 20510

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